Boston Celtics head coach Brad Stevens provided an update Saturday on Jaylen Brown, and the results were mixed.

Brown entered the NBA’s concussion protocol this week after a nasty post-dunk fall against the Minnesota Timberwolves on Thursday. And while Stevens revealed Brown suffered no structural damage, he did confirm the 21-year-old has a concussion and will not play Sunday night against the Indiana Pacers.

#NEBHInjuryReport: Brad Stevens says that Jaylen Brown has no structural damage, but that Brown did suffer a concussion and will not be available tomorrow night against Indiana.

Brad Stevens doesn't expect Jaylen Brown (concussion) to play this week. He went through testing yesterday on his neck, back, everything else. Everything else is OK. Fortunate to escape another injury.